NASA satellite's elusive green lasers spotted at work

The green light streaking across the cloudy sky was something that Daichi Fujii had never seen before. The museum curator’s motion-detecting cameras were set up near Japan’s Mount Fuji to capture meteors, allowing him to calculate their position, brightness, and orbit. But the bright green lines that appeared on a video taken Sept. 16, 2022, were a mystery.


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Source: Phys.org